Hal Holbrook and John O'Leary have appeared together in 2 films between 1966 and 1976, with a combined box office of $76.6 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1966 | The Group | $6 million |
| 1976 | All the President's Men | $70.6 million |
Hal Holbrook also often with: Ed Harris (4), Gary Busey (3), Gary Reineke (3), James Karen (3), Lawrence Dane (3)
John O'Leary also often with: Alan Arkin (2), Biff McGuire (2), Chuck McCann (2), Cicely Tyson (2), Graham Jarvis (2)